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*Worries persist over whether Spain will request aid. Treasuries prices advanced on Friday as data showed muted underlying U.S. inflation, with investors looking ahead to a key European Union leaders' summit, a possible bailout request from Spain and more data in the coming week.

Oct 12- Wells Fargo& Co's independent brokerage business has expanded in Florida and Oregon with veteran adviser teams that joined the company from rival firms UBS Wealth Management Americas and Bank of America's Merrill Lynch.

*Worries persist over whether Spain will request aid. Treasuries prices rose on Friday as data showed muted underlying U.S. inflation, with investors looking ahead to a key European summit, a possible bailout request from Spain and more data in the week ahead. Some analysts said Spain could put off asking for help.

NEW ORLEANS-- All four players punished in the NFL's bounty investigation have filed appeals with the league. One of the people also says New Orleans linebacker Jonathan Vilma expects to play at Tampa Bay on Oct. 21 while his appeal is pending.

SPRINGFIELD, Mo.-- Republican Senate challenger Todd Akin launched a TV ad Thursday claiming the family of Democratic Missouri Sen. It cites an Associated Press report from earlier this week that businesses affiliated with McCaskill's husband had received almost $40 million of federal housing subsidies during her first five years in office.

Enterprise Holdings provides half of all car rentals in the $22 billion U.S. car rental market, and has a big lead over No. 2 Hertz Global Holdings Inc, even after that company buys Dollar Thrifty Automotive Group.

*Worries persist over whether Spain will request aid. NEW YORK, Oct 12- U.S. Worries on whether Spain will ask for a full-blown bailout to help its struggling economy stoked safety bids for Treasuries, while the Federal Reserve's latest bond purchase added to gains in longer-dated debt, analysts said.

WASHINGTON, Oct 11- Republican Mitt Romney would accelerate spending on new U.S. Navy warships, cut the Pentagon's civilian workforce and speed up development of new weapons systems if he wins the 2012 presidential election, two advisers said on Thursday.

ST. LOUIS, Oct 11- Big U.S. banks should become smaller to make any failure more manageable, a senior Federal Reserve official said on Thursday, supporting a suggestion that the size of banks be limited to a specific percentage of U.S. gross domestic product. Louis Federal Reserve President James Bullard told reporters.

TORONTO, Oct 11- Canada's main stock index rose slightly on Thursday, recovering from three days of losses that culminated in a five-week low, encouraged by U.S. employment data and comments from the IMF that were seen as supporting stability in the euro zone.

ST. LOUIS, Oct 11- Big U.S. banks should be reduced in size to make their future failure more manageable, a senior Federal Reserve official said on Thursday, supporting a suggestion that banks' size be limited to a specific percentage of U.S. gross domestic product.

NEW CASTLE, Pa.-- A New Jersey firm has plans to build a 900 megawatt, $750 million natural gas-fired power plant in western Pennsylvania. LS Power, which has offices in East Brunswick, N.J. and St. Louis says the plant in North Beaver Township, Lawrence County, will be fueled from gas drawn from a pipeline out of Tennessee.

The USDA now estimates that farmers will harvest 10.71 billion bushels of corn, down from last month's estimate of 10.73 billion bushels. The USDA said 69 percent of the nation's corn crop has been brought in from the fields as of Monday, more than double the average rate of the previous five years.

ST. CHARLES, Mo.-- An aerospace manufacturer plans a $4.3 million expansion of its suburban St. Louis facilities that could add about 100 new jobs. Jay Nixon's administration said Wednesday that LMI Aerospace is adding nearly 49,000 square feet to its headquarters and manufacturing facilities in St. Charles. LMI Aerospace fabricates metal products for aircraft.

REGIONS STRONGER: The Federal Reserve's survey of business conditions around the country found that stronger housing markets had given a boost to economic growth in nearly every region of the country at the end of the summer.